A space rock that came to rest in the Sahara desert is more than 4.5 billion years old. It helps scientists understand the conditions of our early solar system.
Scientists are using GPS, satellites and statistics to track and protect giraffes. Read more about the efforts in Africa to protect these iconic animals.
Scientists have found that excess light at night is a form of pollution that disrupts the natural rhythms of wildlife and plants. Learn to dim the lights, here.
Years worth of images of the 8th planet from the sun show that Neptune's clouds are synced with the sun's 11-year cycle. Read the weather forecast for Neptune.
Professor Euan Nisbet says the recent steep incline in rising methane levels could signal a termination event on Earth, when climate systems reorganize.
How far back in time can we see? Earendel is the farthest star we've seen. The cosmic microwave background reveals the universe's first light. Can we see more?
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.